1  /* { dg-do compile } */
       2  /* { dg-options "-O -msse2 -fdump-tree-ccp1" } */
       3  
       4  typedef int v4si __attribute__((vector_size(16)));
       5  
       6  float f;
       7  
       8  v4si foo (v4si a)
       9  {
      10    __builtin_memcpy ((char *)&a + 4, &f, 4);
      11    return a;
      12  }
      13  
      14  /* { dg-final { scan-tree-dump "Now a gimple register: a" "ccp1" } } */
      15  /* { dg-final { scan-tree-dump "BIT_INSERT_EXPR <a" "ccp1" } } */